diff --git a/index.js b/index.js
index 59179d8..f79e934 100644
--- a/index.js
+++ b/index.js
@@ -168,16 +168,55 @@ function copyToClipboard(text) {
   }
 }
 
+function setPrestige(data, key, value) {
+  for (const [k, entry] of Object.entries(data.prestige || {})) {
+    if (k.toLowerCase() === key.toLowerCase()) {
+      const old = entry.count ?? 0;
+      entry.count = value;
+      return `  ${k}: ${old} -> ${value}`;
+    }
+  }
+  return null;
+}
+
+function setResource(data, key, value) {
+  // Check prestige currencies first
+  const prestigeResult = setPrestige(data, key, value);
+  if (prestigeResult) return prestigeResult;
+
+  const res = (data.resource || {})[key];
+  if (!res) {
+    for (const [k, r] of Object.entries(data.resource || {})) {
+      if (k.toLowerCase() === key.toLowerCase() || (r.name || "").toLowerCase() === key.toLowerCase()) {
+        const old = r.amount ?? 0;
+        r.amount = value;
+        return `  ${r.name || k}: ${Math.floor(old)} -> ${value}`;
+      }
+    }
+    return null;
+  }
+  const old = res.amount ?? 0;
+  res.amount = value;
+  return `  ${res.name || key}: ${Math.floor(old)} -> ${value}`;
+}
+
 function main() {
   const args = process.argv.slice(2);
   const flags = new Set();
   const positional = [];
   let craftedValue = null;
   let onlyFilter = null;
+  const setValues = []; // [{key, value}]
 
   for (const arg of args) {
     if (arg.startsWith("--set-crafted=")) {
       craftedValue = Number(arg.split("=")[1]);
+    } else if (arg.startsWith("--set=")) {
+      const parts = arg.slice("--set=".length);
+      const eqIdx = parts.lastIndexOf("=");
+      if (eqIdx > 0) {
+        setValues.push({ key: parts.slice(0, eqIdx), value: Number(parts.slice(eqIdx + 1)) });
+      }
     } else if (arg.startsWith("--only=")) {
       onlyFilter = new Set(arg.slice("--only=".length).split(",").map(s => s.trim().toLowerCase()));
     } else if (arg.startsWith("--")) {
@@ -187,7 +226,7 @@ function main() {
     }
   }
 
-  const hasAction = flags.has("--max-resources") || flags.has("--max-time") || flags.has("--max-geology") || flags.has("--max-soldiers") || flags.has("--list") || craftedValue !== null;
+  const hasAction = flags.has("--max-resources") || flags.has("--max-time") || flags.has("--max-geology") || flags.has("--max-soldiers") || flags.has("--list") || craftedValue !== null || setValues.length > 0;
 
   if (flags.has("--help")) {
     console.log(`Usage: node index.js [options] [save-string]
@@ -197,6 +236,7 @@ Running with no flags launches interactive mode.
 Options:
   --list               List all resources in the save with current values
   --max-resources      Set all capped resources to their max
+  --set=key=N          Set a specific resource to N (e.g. --set=Plasmid=100)
   --set-crafted=N      Set all unlimited (crafted) resources to N
   --only=a,b,c         Only affect listed resources (comma-separated names or keys)
   --max-soldiers       Fill garrison to max and heal all wounded
@@ -256,6 +296,21 @@ Save string can be passed as argument, piped via stdin, or read from clipboard.`
     }
   }
 
+  if (setValues.length > 0) {
+    for (const { key, value } of setValues) {
+      if (isNaN(value)) {
+        console.error(`Invalid value for ${key}. Must be a number.`);
+        continue;
+      }
+      const result = setResource(data, key, value);
+      if (result) {
+        console.log(`Set resource:\n${result}`);
+      } else {
+        console.error(`Resource "${key}" not found in save.`);
+      }
+    }
+  }
+
   if (craftedValue !== null) {
     const changed = setCraftedResources(data, craftedValue, onlyFilter);
     if (changed.length > 0) {
@@ -345,6 +400,7 @@ async function interactiveMode() {
       message: "What would you like to do?",
       choices: [
         { value: "max-resources", name: "Max capped resources" },
+        { value: "set-resource", name: "Set a specific resource" },
         { value: "set-crafted", name: "Set crafted resources" },
         { value: "max-soldiers", name: "Max soldiers & heal wounded" },
         { value: "max-geology", name: "Max geology bonuses" },
@@ -427,6 +483,47 @@ async function interactiveMode() {
       continue;
     }
 
+    if (action === "set-resource") {
+      const prestige = Object.entries(data.prestige || {})
+        .filter(([, p]) => (p.count ?? 0) > 0)
+        .map(([key, p]) => ({
+          value: `prestige:${key}`,
+          name: `${key} (${p.count}) [prestige]`,
+        }));
+      const resources = Object.entries(data.resource || {})
+        .filter(([, r]) => (r.amount ?? 0) > 0 || (r.max ?? 0) !== 0)
+        .map(([key, r]) => ({
+          value: `resource:${key}`,
+          name: `${r.name || key} (${Math.floor(r.amount ?? 0)}${r.max > 0 ? ` / ${r.max}` : ""})`,
+        }));
+      const choices = [...prestige, ...resources];
+      if (choices.length === 0) {
+        console.log("No resources found.");
+        continue;
+      }
+      const selected = await select({
+        message: "Which resource?",
+        choices,
+      });
+      const [type, resKey] = selected.split(":");
+      const label = type === "prestige" ? resKey : (data.resource[resKey].name || resKey);
+      const value = await input({
+        message: `Set ${label} to what value?`,
+        validate: (v) => {
+          const n = Number(v);
+          return !isNaN(n) && n >= 0 ? true : "Enter a non-negative number";
+        },
+      });
+      const result = type === "prestige"
+        ? setPrestige(data, resKey, Number(value))
+        : setResource(data, resKey, Number(value));
+      if (result) {
+        console.log(`Set resource:\n${result}`);
+        modified = true;
+      }
+      continue;
+    }
+
     if (action === "set-crafted") {
       const choices = getResourceChoices(data, "crafted");
       if (choices.length === 0) {